27971020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 75188736

約数和(自身を除く): 47217716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 140, 154, 164, 205, 220, 287, 308, 385, 410, 443, 451, 574, 770, 820, 886, 902, 1148, 1435, 1540, 1772, 1804, 2215, 2255, 2870, 3101, 3157, 4430, 4510, 4873, 5740, 6202, 6314, 8860, 9020, 9746, 12404, 12628, 15505, 15785, 18163, 19492, 24365, 31010, 31570, 34111, 36326, 48730, 62020, 63140, 68222, 72652, 90815, 97460, 127141, 136444, 170555, 181630, 199793, 254282, 341110, 363260, 399586, 508564, 635705, 682220, 799172, 998965, 1271410, 1398551, 1997930, 2542820, 2797102, 3995860, 5594204, 6992755, 13985510, 27971020]

約数ペア:

[(1, 27971020), (2, 13985510), (4, 6992755), (5, 5594204), (7, 3995860), (10, 2797102), (11, 2542820), (14, 1997930), (20, 1398551), (22, 1271410), (28, 998965), (35, 799172), (41, 682220), (44, 635705), (55, 508564), (70, 399586), (77, 363260), (82, 341110), (110, 254282), (140, 199793), (154, 181630), (164, 170555), (205, 136444), (220, 127141), (287, 97460), (308, 90815), (385, 72652), (410, 68222), (443, 63140), (451, 62020), (574, 48730), (770, 36326), (820, 34111), (886, 31570), (902, 31010), (1148, 24365), (1435, 19492), (1540, 18163), (1772, 15785), (1804, 15505), (2215, 12628), (2255, 12404), (2870, 9746), (3101, 9020), (3157, 8860), (4430, 6314), (4510, 6202), (4873, 5740)]